ch. 5 2 triangles
TRANSCRIPT
Agenda Tuesday, Nov. 17
homework 6 p. 244 # 1 - 27
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correct homework
5-2 fractions - decimals
Least common multipleis the same as
lowest common denominator
To express a fraction as a decimal, divide the numerator by the denominator.
Write as a decimal. means 3 ÷ 4. The fraction
can be written as 0.75, since 3 ÷ 4 = 0.75.
Next
Denominator and the numerator.
3Numerator
4 Denominator
34
1Write each fraction as a decimal.
2/
5
2Write each fraction as a decimal. Round to the nearest ten thousandths if necessary.
- 4 3/
10
Converting a Decimal to a Fraction.
.3535
100
35
100
5
5
720
.325325
100
325
100
25
25
1340
3Write each decimal as a fraction in simplest form.
0.8
4Write each decimal as a fraction in simplest form.
-0.625
5Write each fraction as a decimal. If necessary round to the nearest ten thousandths
- 2/
3
TERMINATING AND REPEATING DECIMALS
TERMINATING DECIMALA decimal that ends or terminates.EXAMPLE: 0.5 0.814 1.03
Pull
Pull
Pu
llPu
ll
A decimal that ends with arepeating digit or block of digits _ __EXAMPLE: 0.333 0.1212
REPEATING DECIMAL
0.4
4.3
0.81
0.375
0.1
Terminating decimals
Repeating decimals
0.125
Repeating or terminating decimals
0.111...
4.333...0.8181...
Writing a repeating decimal as a fraction.
1. Identify how many digits repeat.2. Place the repeating digits over the same number of 9's.3. Simplify.
Example 1. 0.33 19 3
Example 2. 0.4545 599 11=
=
49
110
511
1120
45
58
0.8
0.45
0.1
0.55
0.6250.4
Match fractions and decimals
Click the die to roll it. Write the fraction for that decimal in the fraction maker. Then click the arrow.
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